Optical scanner



FIG. 1 is a top perspective view of an optical scanner showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof, a rear elevational view being a mirror image of the front elevational view;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof. 

The ornamental design for an optical scanner, as shown and described. 